2″ (50mm) Heavy Duty Ball Type Airstone Round Ceramic Ball Air Stone for Pond or Aquarium Pump Fine Bubble Diffuser for Outdoor Pond Garden Circulation System Aquariums, Aquatic, Hydroponic, Fish Tank

High output sintered at 1000 degrees air stone for aerating ponds, aquariums. Fits all standard air pumps. High quality diffuser giving fine mist of air bubbles. Easy to use, simply attach to air pump using airline tubing and place in your desired location within your pond, aquarium, aquatic, hydroponic or any aeration need. Helps to provide necessary oxygen. 4mm 3/16th and 8mm 5/16th Fitting both Industry standard. Fine Bubbles: The air stone produces lots of rich micro bubbles of oxygen. A great way to oxygenate your hydroponic growing systems, koi fish ponds, water gardens, aquariums and enliven the aquatic life and create a healthy habitat. Made of minerals that are sintered at a high temperature, to encourage longer lasting product. Perfect for both fresh and salt water environments like fish tanks, water gardens, bird baths, ponds, DWC reservoirs, aquariums and more. Airflow dependent on depth of Pond and output of airpump. Pump required, Not Included